31221183

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1303}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 48759168

約数和(自身を除く): 17537985

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 1303, 3423, 3909, 7987, 9121, 23961, 27363, 63847, 191541, 212389, 637167, 1486723, 4460169, 10407061, 31221183]

約数ペア:

[(1, 31221183), (3, 10407061), (7, 4460169), (21, 1486723), (49, 637167), (147, 212389), (163, 191541), (489, 63847), (1141, 27363), (1303, 23961), (3423, 9121), (3909, 7987)]